police supporting their fallen brother not just from boston but m.i.t. and massachusetts, from across the country there. so a solemn moment as we remember the hash tag says on twitter today, #collierstrong. >> thank you very much for watching. erin burnett "outfront" starts right now. "outfront" next, breaking news. according to the russian news media, the parents of the alleged boston bombers are coming to the united states. what do the investigators want to know? plus, was the u.s. warned about the alleged terrorist by the russians twice? and joe biden weighs in, calls the suspects nabbingoff jihadists. are they the new threats in the war on terror? let's go "outfront." good evening, everyone. i'm erin burnett.

we begin "outfront" tonight with breaking news. the parents of the boston bombing suspects are headed to the united states. that's according to the russian state news agency. we are covering this story from every angle tonight. standing by in boston, deb ferek on boylston street. she has the latest on the investigation. brian todd has new details on a mysterious man that tamerlan tsarnaev's family said had the most influence over him. and david mattingly following the money trail. so many want answers to this question. how did the brothers support themselves? and how long did they collect welfare from the state of massachusetts? aaron mcpike is in rhode island. tamerlan tsarnaev's wife is there. investigators are asking how could she have not known about the bombs? and we'll go overseas where nick robertson has the latest on the meeting today between u.s. officials and the bomber's parents. and joe johns is in washington with new information about what russian officials told the fbi and the cia.

some damming details about whether our intelligence agencies may have dropped the ball. i want to begin with deb in boston. deb, what do we know about this visit from the parents? >> reporter: yeah, this is news that we just got. came across a couple moments ago. we're being told that russian newspaper is reporting that the two parents are going to be leaving their homes and coming to the united states. now it's unclear exactly whether we're hearing it may be as early as tomorrow. this is according to the russian news agency. and, erin, right now no u.s. agency has confirmed that they will be traveling here. but it's also, you know, the big question, will they be interviewed by the fbi? will they be allowed to see their son? right now the russian newspaper is saying that they agreed to cooperate in the investigation. the question is on what terms and who is facilitating all this? so right now what we have is a

russian newspaper writing this. you can bet we've been calling around to virtually everyone. we did hear from somebody in washington saying, no, we don't comment on the travel of private citizens. erin? >> that will be interesting. at least the mother said that her sons were framed. so no doubt there is going to be serious questions there. i can see a memorial with a lot of flowers. you're at the sight of where the first bomb went off. what are investigators doing? >> reporter: you know, what is fascinating is that we have been keeping an eye on this location since the day the marathon happened. the finish line is not more than 50 feet ahead of me. and what is so strange, so odd is when you look at this location this is believed to be the location where the bomb was placed. investigators, forensic agents removed parts and pieces of buildings, of concrete. there were other areas, all of this gathering evidence gathering information.

and to think that tamerlan tsarnaev was in this spot leaving that backpack behind. i walked this entire route. one thing i didn't see, especially in this area is any cameras. we have so many pictures of dzhokhar tsarnaev at various locations, location that's i saw, i passed myself. but there is no video, no surveillance video of his older brother dropping the particular -- dropping his device. you can see the damage that happened here to the upper windows, the glass. most specifically that white flash and that enormous noise that erupted. the stores just below you can see. that's where people ran to try to get help. and a number -- they're redoing the interiors of the stores because some people were bleeding and they were trying to get help. over here, small memorial. and the one thing i want to show you, this is very unique about this. everybody is really keeping a respectful distance, erin. and that is something that when

you that i two people lost their lives here and multiple others were injured, this really is a hallowed spot right now. it is still very raw and still very fresh in people's minds. erin? >> deb, thank you very much. just powerful image of people seeing the distance from that spot. i want to go to joe johns in washington. we are learning -- this is perhaps a crucial detail, everyone, a big development. russia warned not only the fbi about tamerlan tsarnaev but they also then warned the cia. and so i know you've been working this story. what you have learned about the information that the russians gave to u.s. intelligence agencies? >> erin, the headline here is that we now have two u.s. government agencies that say they were warned about alleged boston bomber tamerlan tsarnaev. we already knew that fbi was told about him and investigated him in 2011. tonight we learn that the cia, the central intelligence agency, got basically the same information about tsarnaev from russia later the same year. it's important because tsarnaev

was allowed to fly to russia, stay there for six months and fly back to the united states in 2012. the question being asked all over washington right now is why federal authorities didn't start watching tsarnaev like a hawk when he got back? the fbi says it already checked him out, interviewed him and his family, checked out his online activities. didn't plan anything derogatory. the cia says they nominated tsarnaev to be put at the terror data base watch list system. you know, this included varying nations of the spelling of his name, different dates of birth, provided by the russians, erin. >> that adds to this whole question, they were pushing him to be added to lists around the time he was posting the videos, how these dots weren't connected? so many questions out there. what about the list? my understanding is that tamerlan tsarnaev was included on some other watch list. so is it clear at this point if there was a ball that dropped, who did it? >> yeah, still a little foggy. he had already been included in the customs and border protection system earlier in the year when the fbi began this

investigation. that system caught the fact that he left the country last year but he had already been cleared by the fbi and there were no grounds to do anything. and by the time he returned, there was no red flag raised because the alert had expired. none of this, of course, really makes the government look good right now because in hindsight, having your name or having the name of a guy who allegedly blew up the boston marathon in your files doesn't help much if you didn't do anything about it, aar erin. >> certainly the case when the russians kept coming back again and again. we'll have more on that in a moment. the conflicting information about the tsarnaev brothers isn't only coming from the fbi and cia. we're getting mixed messages from the obama administration as well. here's vice president joe biden characterized the bombing suspects today. >> two twisted, perverted, cowardly knockoff jihadies. >> not everyone in the administration seems to share this assessment.

jim acosta is at the white house tonight. it was confusing today, some very mixed messages coming out. >> that's right. the white house has been saying all along that it's too early to draw any conclusions in this case. the white house press secretary said today we don't have all of the answers yet. but that's not exactly what you heard from the vice president there whether he said earlier today that these two suspects were knockoff jihadies suggesting that they were sort of amateurish and also from secretary of state john kerry who was in belgium was meeting with the belgian foreign minister and asked by reporters about this case and he seemed to suggest that the older suspect, tamerlan tsarnaev may have learned something when he traveled to southern russia last year. here's what secretary kerry had to say. >> we just had a young person who went to russia and chechnya who blew people up in boston. so he didn't stay where he went. but he learned something where he went and he came back with a willingness to kill people. >> now the state department did release a statement to reporters

saying that the secretary was simply expressing broad concern about radicalism as they put it and not indicating any new information or conclusion in this case. and then jay carney was asked about the vice president's comments about these suspects being knockoff jihadies at the briefing earlier. here's what jay carney had to say. >> there is an investigation under way. we know something. there is a lot more to learn. that's why the investigation is taking place. >> so, erin, the white house proceeding with extreme caution. obviously for political reasons in this investigation. but that's not always extending to every member of this administration. erin? >> certainly what jay carney saying very different from what secretary kerry said. thank you so much to jim acosta. the investigation is a global investigation. and it also is happening in the russian republic of dagistan where the suspect's parents live. today fbi officials arrived in dagistan to talk to them. what do we know about the conversations between investigators and the parents and again i put in the caveat, you know, earlier the mother

tried to say her sons were framed. people have questioned the father's influence on the sons. what were investigators talking to them about? >> we don't know the substance of the conversations. we do know the style of the conversations. a lawyer representing the mother said that the americans were kind and polite. now both parents spent all day inside the russian internal security headquarters building in the central of the city here. there was very little information actually coming out of the building itself from the ffb. that is typical of the situation. the building itself is so secretive. you're not allowed to film it. but it does seem to be the case that progress has been made now hearing from the russian state news agency that the parents are cooperating and will help investigators and will travel to the united states, erin. >> and, nick, you also -- i know, spent a lot of time at the local moss tque there that is v

central. what have you learned about what happened there? >> we went to the mosque today. i certainly get the feeling from people they don't want you filming around you there. they don't want to answer your questions. they talked to somebody responsible at the mosque. he said there are thousands of young people that attend the mosque here. how can we know if tamerlan was present? it seems to sort of really beg the question everyone kind of knows who he is in this city right now. everyone is pretty much aware of him. so it really does seem surprising he'll make a statement like that. look, you can't say that people with long beards are all radical islamists, far, far from it. but when you compare the people attending that mosque can other mosques in the city, there were some people there who would look -- not look out of place on some of the wanted posters that are posted outside police checkpoints here for wanted jihadists. so it's a mosque that itself by

its own voluntary ligition of t we talked to admit they go for pure islam and that other mosques in the city really don't measure up. so it's an extremist venue and possibly a nexus of concern for security services, for intelligence officials, erin. >> able to figure that out and go there and see that. thanks very much to nick. still "outfront," were the russians right? did the united states ignore their warnings? plus, the very latest on the woman would was married to tamerlan tsarnaev. authorities are focused in on crucial questions like how she lived in that small apartment with him and didn't know anything. and following the money. the tsarnaevs have been on government assistance without a job. how was tamerlan financing his lifestyle and the attacks? a special report. [ female announcer ] what if the next big thing, isn't a thing at all?

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we're learning that russia not only tipped off the fbi about tamerlan tsarnaev but also the cia. after the fbi didn't seem to find anything wrong. as our joe johns reported, that second warning from russia came just months after the fbi fo formally cleared tsarnaev. still, his name went into at least three federal data bases. this new cia development tonight is raising serious questions about what this nation's intelligence agencies did with the information and whether they missed obvious warning signs about an emerging jihadist. jim rish is out front. good to see you, sir. i appreciate you taking the time. i know you've been briefed on the investigation. we now found out that fbi was

contacted by russian intelligence. and then russian intelligence frustrated that the fbi didn't find anything derogatory, contacted the cia. the former cia operative told us here today that russia does not turn over its citizens to the united states unless they have something concrete. do you know what the russians were telling the u.s.? >> i do. and i think the actual text of the communications, or at least part of them, have been reported by cnn. and it is really important to focus on the text of what was said by the russians. >> and the russians -- i mean i guess my sense when you were talking about the information you may know that is classified, the fbi says they looked at it and didn't find anything derogatory. >> well, no -- >> there was no smoking gun in there? >> i don't think that they could actually say that it wasn't derogatory. i mean the actual text is very derogatory. the difficulty is that it's

conclusive. they state conclusions in there but they don't have the factual basis. it was sufficient for the fbi to open a file, interview him, interview neighbors and his family and determine what level of risk they believe was possible. at that point they have a number of opportunities as to what they can do including having the person follow him. but they have thousands of people on the lists and they have to triage them as to who they think are important. >> that's right. and that could be part of why this happened. let me ask you. so the fbi says, all right, we don't think there is anything here. the russians then go to the cia. the cias is we want this guy added to the terror watch list which doesn't happen although he is in other data bases. he then goes to a location in russia that is a hot bed for islamic extremism, comes home and starts posting videos on the web of a radicalizer, a radical -- a person who is known to make bombs and kill people. when you think about that, how

were the dots not connected? >> yeah, well, when you string that all together, it's obvious that dots were connected. i want to be absolutely certain, i am not stating or confirming about the conversations with the cia. we haven't got that far yet. i can't confirm to you that the russians did once in the spring send the communication to u.s. authorities and again in the fall essentially the same information. they were asked to expand on that. they were asked for the factual basis for it. and that wasn't forthcoming. i'm sure not because they were hiding it but for the same reasons we do things here and that is there are thousands of people involved in these things. >> hindsight is 20/20. you wonder why this person had already been looked into this much they come back and start posting the videos and nobody notices. that is what is terrifying. >> clearly. before 9/11, all of this information was stove piped. that is, it was kept within particular agencies. we have demanded that be expanded. i can tell you today it is

substantially better than it was then. it's not perfect. i think one of the things that you just underscored is that it's not perfect. again, keeping in mind that they have to triage the people because they have thousands of them. and prior to this we had not had the experience with chech knn c chechnyian radicals. >> maybe it because because it was related to russia and not considered to be a high priority. they had their eye focused on al qaeda. next, officials are asking more questions about how the wife of tamerlan tsarnaev could have learned with the terrorist suspect up until the bombing and even after the bombing in a very small apartment and know nothing? and are brothers more likely to carry out an attack like this than an only child? the psychology of fraternal terror.

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the boston bombing investigation tonight is focusing ever more tightly on tamerlan tsarnaev's wife, catherine russell. sources close to the investigation tell cnn that there are major questions tonight surrounding the woman who was closest to the suspected boston bombers and one of the questions is this -- how is it possible, as authorities tell gloria, that russell did not see bombs being made in the couple's tiny home?

erin mcpike is "outfront." there are questions about the older brother's wife. we've only seen her in pictures. what can you tell us? >> we did go into the attorney's office today, erin. but they're being very tight lipped. i spoke to katie russell's attorney on the phone a little bit ago and she's still not saying anything. she's being very quiet on behalf of her client. won't say if katie russell sat down with authorities. but i can tell that you the presence this morning of federal agents and of media was very heavy at the house earlier today. it's greatly diminished now, erin. >> and you also had a chance to talk to some people who knew katie. what do they tell you, erin? >> well, basically, they're saying that katie russell came from a great family. everyone likes her sister. they thought katie was very well liked, dependable, hard-working. talked to her younger sisters today and this is what she had to say about that. >> honestly, such a surprise. i -- when i heard the news.

i didn't believe it at first. just because it's, you know, especially in north kingstown. especially not the russells, never. they're such a wonderful family. i couldn't believe it. and i doubt that she knew anything about it. >> and, erin, that's what we're getting from a lot of people in north kingstown today. they're very surprised by this whole thing. a lot of members of the community don't like the big presence and focus on this right now. >> all right, erin mcpike, thank you very much. next, tamerlan tsarnaev was on government assistance. does that shock you? it shocked us. apparently, that's true. what changed and how could it have affected his lifestyle before the alleged bombings? and who is misha? family members say the brothers were influenced by this mysterious man at a boston mosque. who is he? does he even exist? change makes people nervous.

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we start the second half of our show with other major headlines. in west, texas, today cnn got the first close-up look at the destruction caused by the fertilizer plant explosion. investigators allowed our cameras to investigate the blast site. the scope of the devastation, hard to comprehend. our producers are on the ground. they say the footprint where the

fertilizer plant stood is now the size of a crater. 95 feet wide, concrete clunks of the plant, some he described the size of shopping carts, are strewn hundreds of yards from the blast's location. 140 homes have been destroyed and we're told authorities are still trying to figure out what caused the fire and the explosion. so far, they ruled out natural causes like lightning. there are new developments to night in the murder trial of dr. goznel who is accused of performing late term abortions. he was charged with eight counts of murder. a judge threw out three of the charges on tuesday. that surprised some. but then in court today, his defense attorney cross examined the state's witnesses but did not call a single witness for the defense. our legal analyst was surprised that there was in medical expert called to defend the doctor which he says suggests a serious weakness in the doctor's case and indicates that the defense had trouble finding anyone who would defend the practices at the clinic. closing arguments in that case

will be monday. air delays are hitting the united states more than 1,000 delays attributed in one day to furloughs from the forced budget cuts passed by congress. many dispute whether these were necessary. but in all, 50,000 faa workers are being forced to take unpaid time off to save money. the obama administration said today it would be open to legislation that would give the faa flexibility with its budget. but called that a band-aid approach. a spokeswoman for the airline says the lobbying group is trying to halt the furloughs and calls them irresponsible and unnecessary. and many are arguing that these are not required by the sequester. well, we have an "outfront" investigation on whether that adds up tomorrow night. and finally, an update on the ricin investigation. fbi agents today searched the former martial arts studio of james everett duskey in connection with the ricin tainted letters sent to president obama and others on capitol hill. authorities are not calling him a suspect but he is connected to paul kevin curtis, the elvis

impersonator charged but then cleared of sending the letters. former fbi director tells "outfront" the fbi was erring on the side of caution by arresting curtis because ricin is so lethal and this is amid the boston bombings. it is fair to say that someone tried to kill the president and is at large tonight. it has been 629 days since the u.s. lost its top credit rating. what are we doing to get it back? stocks went up to day. the s&p 500 rising for the fourth day in a row. apple had 18% drop in earnings the first drop for apple in a decade. and now i want to return to our continuing coverage of the boston bombings. tonight we are learning more about the life of the tsarnaev brothers and what they were living like before their lallegd attack. there seems to be fancy cars and a will havish lifestyle. take a look at the photographs. it shows tamerlan tsarnaev looking what appears to be rather lavish lifestyle. talented boxer. pretty fancy clothes. but it may not have been the case. from what we can report, it

appears tsarnaev was strapped for cash. relying on welfare up until last year. david mattingly is "outfront" and what have you learned about the finances of this family? [ no audio ] >> -- immigrant family that didn't have a lot. the father was a mechanic and the mother offered facials out of their small apartment. they did receive assistance from the state. this could have included temporary aid and food stamps. the tsarnaev brothers would have benefited from this when they were younger, getting government assistance through their parents. when he was older and on his own, the older brother tamerlan along with his wife and child also received assistance. this went on until 2012 when they became ineligible. that was because they eventually made too much money to qualify. erin? >> and let me ask you, david. too much money to qualify. could any of the taxpayer finance assistance have contributed to the attacks of

the boston marathon? that's the question i suppose everyone must ask tonight. >> well, he and his family were getting assistance at a time relatives say he was becoming radicalized. we confirm with the state that the assistance stopped for tamerlan in 2012. they didn't need a lot of money to carry out the attack. as i learned in the recent demonstration, they're not sophisticated and cheap. the brothers could have built the two bombs for a couple hundred dollars or even less. >> incredible. and a lot of the other explosives they found of the similar nature were to the pressure cooker that you describe. is there any indication of how much money they did have at this point, david? >> well, it doesn't look like they had a lot. the oldest brother, tamerlan, had worked delivering pizzas but more recently he was a stay at home dad taking care of his daughter while his wife was the breadwinner. according to her attorney, she was working at the 80 hours a week as a home health care aide.

tamerlan did have a car, a 14-year-old honda worth about $4,000. now the younger brother, 19-year-old dzhokhar, it's hard to get a clear picture of. one person who knows said he like to talk big about fancy cars, soccer and girls. but in reality, he was a student at the university of massachusetts and dartmouth, the school won't tell us if he was getting financial aid. the school says tuition and fees and everything runs about $21,000 a year and about two-thirds of the students there are getting some kind of assistance. the one extravagance we found out about almost everyone we talked to who knows gentleman c gentleman cdzhokhar is he likes to smoke marijuana and a lochlt he was known to drive a honda civic that is as ole as he is but that car is registered to his father and worth maybe about $2,000. and something that happened that may say a lot about the brothers and their welfare. the last act before getting

caught in a gun fight with police was to take $800 out of an atm using a stolen card suggesting, erin, that they needed the cash. >> i guess that perhaps speaks more than anything else. thank you very much, david mattingly with new detail on something a lot of you have been repeatedly asking us about on twitter. where did they get the money? the other question out there tonight who is the mysterious man who may have convinced tamerlan tsarnaev to become a radical jihadist? according to relatives, they say there is a man of armenian dissent identified only as misha who began a close relationship with tsarnaev back in 2009. our brian todd is in boston tonight trying to track down who misha is and learn more about this mystery man. >> reporter: family members describe a mysterious man who say had a mesmerizing influence on tamerlan. they only know him as mischa. they say they don't know his full name. here's how the suspect's uncle

described the man and his influence on the older brother in an interview with cnn. >> there is a person that convert into islam from armenian dissent. i say this person took his brain. just brainwashed him completely. tamerlan is gone now. that concerns me big time. >> reporter: more pieces fit together in a telephone interview wolf blitzer did with the ex-brother-in-law of the two suspects. he said he met misha twice, was introduced to him by tamerlan. he didn't witness misha turning tamerlan into a radical islamist -- >> he surely did have influence and did teach him things that would make tamerlan, you know, go away from the people and go more into the religion. and maybe that is possible that he suggested to him some radical

ideas. >> reporter: he said tamerlan tsarnaev told him he'd quit boxing and listening to mainstream music because misha taught him that in islam it's not good to do those things. asked if he suspected that misha was connected to any terrorist groups -- >> i didn't suspect either him or tamerlan being connected to terror groups or having terrorist ideas. but i know that they had a lot of conversations about just, you know, islam and how islam is being attacked from the outside from the western countries and how islam is under pressure. >> reporter: asked when tamerlan became a more devout muslim, the ex-brother-in-law and uncle said they noticed it four years ago. we searched for misha using the internet, a data base and social meeta. one name did come up. we scoured matching addresses in

the boston area, phone numbers and e-mails. we couldn't find him so we're not mentioning his name. has misha ever been connected with the islamic society of boston, the mosque the two suspects attended? i put that question to a mosque spokesman. is there such a person in this congregation? and do you that i could be anything to that? >> not to our knowledge. not to our knowledge. no. >> reporter: and another mosque official told me, "we're looking for him, too." they say they want to find misha as much as anyone else right now. brian todd, cnn, boston. all right. now if tamerlan tsarnaev was influenced to become a radical jihadist, he may have shared those thoughts and views with his younger brother dzhokhar. "outfront" tonight, stephen hossin is an expert in mind control, author of "freedom of mind." i know, sir, in a you've been in a cult yourself. you experienced this sort of control for lack of a better

word. but, you know, we just heard brian todd report, tamerlan tsarnaev became religious and observant and we don't know if this is true but after he met this manned named misha. how does one person and one meeting influence someone to the point where they're convinced to detonate a bomb, put a bomb down next to an 8-year-old boy that they know is going to die? >> i really think that it was probably more than a single meeting. and essentially from my work of 36 years with people in different cult groups, it's an incremental indoctrination beginning with discussing the person's past, maybe showing them some propaganda videos and making them feel guilty perhaps that they're not doing more with their life and not caring enough about god. if he was drinking or someone was using marijuana, maybe he would feel guilty about that. and a step-by-step

indoctrination process into a very black and white us versus them, good versus evil, simplistic world and a radical personality change. >> which obviously -- you know, that happened with tamerlan. how did tamer atlanta then do that to his younger brother dzhokhar who you just heard david mattingly report even up until the end was a very avid user of marijuana, a kid who partied. i mean a kid who did not give up all those things like music and dancing and drinking like his brother did. >> right. so i'm hoping that all of the facts will come out and i'm sure the widow has the best source of information in terms of that process. i really am not sure. but i can tell you over the years i work with people who have been hypnotized. i worked with people who have been sleep deprived, their diet is manipulated and such. so it's entirely possible that the radical change and behavior

with dzhokhar happened very recently. but i don't know. i also was reading reports that he followed his older brother around like a puppy. if that's the case, then perhaps his brother was trying to convert his younger brother all along. i'm not sure yet. >> right. another part of this that plays into it, i mean i'm curious what you think about this with your experience. chechen culture is very well known for incredibly tight family bonds. and the former brother-in-law that you just heard brian todd refer to talked a little bit about those bonds and what it might mean for dzhokhar and his older brother tamerlan. here he is. >> i believe he was just maybe obeying him because he is older, he's the older brother. and, yes, i know that they all love tamerlan. they all admired him. his younger sisters and the brothers and dzhokhar really

thought tamerlan as the role model. and i believe that he didn't question much. >> now, you know, there have been reports that tamerlan may have physically abused one of his sisters. obviously there was an assault case by his wife against him. the role of senior male with the family in the united states be enough to convince his younger brother to go along with him? >> i doubt that, that that would be enough in and of itself. but i guess i'd like to comment on a very famous social psychology experiment by stanley millgram who did a phoney shock machine. he took people and within an hour individuals were electrocuting others just because somebody ordered them to. >> you know, it's funny, you said that, i had remembered that. i remember that now from psychology. i was shocking. such a shocking thing. good point you raise. >> exactly. we're hard wired as human beings to obey legitimate authority

figures. and what we need, you know, in terms of rebelling against undue influence and mind control is critical thinking and reality testing and having other people to bounce ideas over. if his brother said keep everything secret, i'm trusting you and the younger brother complied, it would be much more easy for him to do further indoctrinations or extremism, i think. >> thank you very much, steve. appreciate your time tonight. "outfront" next, we're going to travel across the world to the area where nick peyton walsh has dug up some -- i mean this is actually really incredible what you're going to see. making bombs. tamerlan tsarnaev, how he could have learned how to make a bomb like the one used in the marathon attack? nick found a way and he's only been there a few days. later, an awesome display of respect and appreciation.

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the right way. times change. our principles don't. you don't just have our word on it. you've got our name on it. that's how we run. nothing runs like a deere. discover the full line of riding lawn equipment at johndeere.com/howwerun or your local dealer. i want to check in with anderson cooper for what is coming up on "ac 360." >> erin, yeah, we're a few -- about a block or so away from where the blast first went off. we have late breaking news on a number of fronts ahead on "360". investigators are scrambling to piece together how the bombers

went from immigrants to killers. a number of reporters are working sources on the brothers' training. parents are flying to the u.s. tomorrow. there is to the u.s. tomorrow. also the search for a shadowy figure who may have radicalized the older brother. and new information on the american woman, katie russell who married and had i child with the deceased older brother. and a different set of brothers, paul and jp in ordnordin, each leg. we'll speak with their mom about what it's like as she shuttles between two different hospitals where they are recovering. a whole lot more in the top of the hour. >> see you in a few moments. investigators are still trying to piece together exactly why the boston bombers turn to terror. a key piece of the puz could lie halfway around the world in dagestan. nick paton walsh is there. and he has dug up some incredible clues who may have

influenced tamerlan tsarnaev last year. >> reporter: this is abu dujan in a video that one of the bombers, tamerlan tsarnaev posted on his youtube channel. russian forces killed him last december in dagestan. dagestani police have revealed to cnn this small-time militant ran training camps for bomb-making that foreigners came to. police gave us images of his group training in the woods. this one explains how to mix and prepare homemade explosives almost anywhere. and the group's pictures suggest they learned to use a mobile phone as a debtonater. >> translator: we do not have audio or visual confirmation, but we have information

confirming that he met with foreigners. there are dagestanis who come here to meet in their historical mother land whose roots are here. >> reporter: could that have included americans? >> translator: it's entirely possible. but i know there were arabs and turks among them. but whether there were americans, i don't know. >> reporter: the police chief told us that abu dujan was observed coming here to this islamic mosque behind me which itself denies any links to extremism. it is possible, though, that tamerlan tsarnaev last year also prayed here. >> translator: of course, the mosque is their mosque. where our technological work gives us information that abu went there, met people and agitated. not once, but many times. >> reporter: there are reports that dujan was observed at the mosque and he was observed meeting tsarnaev.

do you know this? >> translator: i really can't answer this. for different reasons, i can't answer. you understand me? >> reporter: nick pay ton walsh. we have breaking news. we are learning the ranking member of the house intelligence committee, congressman dutch p rupe rupersberger just told reporters a crucial detail. he says a control device similar to one used for a toy car was used to set off the bombs at the boston marathon. so a remote control like you would use for one of the cars you give to your christmas. his staff emphasized this was not a remote for a garage door but very specifically something used to control a toy car. that's the latest we have now. as every single piece of information is so crucial. today was a day for remembering. boylston street reopening, but also remembering a life lost.

remembering police officer sean collier. ♪ >> thousands turned out at the massachusetts institute of technology today to honor the memory of the 27-year-old campus police officer who was known to love his job and was driven to help others. investigators say sean collier was killed thursday night by the suspended marathon bomberses as he was sitting in his control car. his younger brother remembered sean as somebody who loved country music and someone born to be a police officer. vice president biden was there and called collier a remarkable son, a remarkable brother and tried to console the family. >> the moment will come when that thing that triggers the memory of sean that moment, when there is a song or season or holiday or passing a little league field or whatever it is. you'll know it's going to be

okay. when the first instinct is you get a smile to your lips before you get a tear to your eyes. >> hundreds of police officers gathered to remember their fallen brother, and many in the crowd wore badges that said collier strong in honor of him. the memorial also included a performance from boston native, james taylor who played with the m.i.t. symphony orchestra. ♪ show him the way you lead >> nothing will fill the void left by sean collier's death in his friends and family's lives, but his brother said that today was the right tribute. >> are you kidding me? he would love this. he had sirens, flashing lights, formations, people saluting. bagpipes. taps. the american flag. he would have loved it. >> he would have loved it. we'll be right back.

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[ female announcer ] from more efficient payments. ♪ to more efficient pick-ups. ♪ wireless is limitless. ♪ from tracking the bus. ♪ to tracking field conditions. ♪ wireless is limitless. the federal reserve announced the new $100 bill is going into circulation in october. this new $100 bill is really technologically advanced. it's got a blue 3-d security

ribbon and a liberty bell that changes color when you tilt it. this is aimed at slowing counter fitters who love to counterfeit this bill. many americans don't really use $100 bills. it's a different story abroad. the number tonight is 6 5. the percentage of $100 bills in circulation held outside the united states, according to a federal reserve study. wonder how many are used for nefarious purposes. "anderson cooper 360" starts now. significant new developments tonight. breaking news. a lot to tell you here and overseas. investigators not just scrambling to learn who turned tamerlan tsarnaev toward radical islam and who if anyone trained him in bomb-making. they're also grappling here at home with the grim possibility, just a possibility for now, they dropped the ball. the possibility that not one but two potential red flags, one to the fbi and now one to the cia, were mistakenl